CPUBoss Review Our evaluation of 6600U vs 5600U among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core i7 6600U

Reasons to consider the
Intel Core i7 6600U

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Higher turbo clock speed 3.4 GHz vs 3.2 GHz More than 5% higher turbo clock speed
Better turbo clock speed 1,050 MHz vs 950 MHz More than 10% better turbo clock speed
Better CompuBench 1.5 ocean surface simulation score 216.88 fps vs 163.67 fps Around 35% better CompuBench 1.5 ocean surface simulation score
Slightly better PassMark (Single core) score 1,817 vs 1,663 Around 10% better PassMark (Single core) score
Newer Jul, 2015 vs Jan, 2015 Release date 6 months later
Better overclocked clock speed (Water) 3.4 GHz vs 2.6 GHz More than 30% better overclocked clock speed (Water)
Front view of Intel Core i7 5600U

Reasons to consider the
Intel Core i7 5600U

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Much better performance per watt 49.56 pt/W vs 12.93 pt/W More than 3.8x better performance per watt
Much better performance per dollar 1.89 pt/$ vs 0.49 pt/$ More than 3.8x better performance per dollar

Benchmarks Real world tests of Core i7 6600U vs 5600U

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 6600U
26.99 mHash/s
Core i7 5600U
27.99 mHash/s

CompuBench 1.5 (Face detection)

Core i7 6600U
21.31 mPixels/s
Core i7 5600U
16.64 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 6600U
1.49 fps
Core i7 5600U
1.05 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 6600U
2,565 MB/s
Core i7 5600U
3,825,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 6600U  vs
5600U 
Clock speed 2.6 GHz 2.6 GHz
Turbo clock speed 3.4 GHz 3.2 GHz
Cores Dual core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 15W 15W
Annual home energy cost 3.61 $/year 3.61 $/year
Annual commercial energy cost 13.14 $/year 13.14 $/year
Performance per watt 12.93 pt/W 49.56 pt/W
Typical power consumption 12.19W 12.19W

bus

Architecture FSB DMI 2.0
Number of links 1 1
Transfer rate 4,000 MT/s 5,000 MT/s

details

Core i7 6600U  vs
5600U 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 4 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.4 GHz 3.29 GHz
Overclocked clock speed (Water) 3.4 GHz 2.6 GHz
Overclocked clock speed (Air) 3.4 GHz 3.29 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 520 Intel® HD Graphics 5500
Number of displays supported 3 3
GPU clock speed 300 MHz 300 MHz
Turbo clock speed 1,050 MHz 950 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1600
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 16,384 MB
Intel Core i7 6600U
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Intel Core i7 5600U
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